Kleinite, Calcite
McDermitt Mine (Cordero Mine; Old Cordero Mine), Opalite District, Humboldt Co., Nevada, USA
Miniature, 4.9 x 3.1 x 2.6 cm
A very rich and exceptional specimen of bright canary-yellow, botryoidal kleinite on starkly contrasting, snow-white calcite matrix from the McDermitt Mine of Nevada. Kleinite is a very rare mercury halide, known from only 3 localities worldwide.